/*
Copyright (c) 2007, Arturo José Guédez Romero

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
    * Neither the name of Cultusoft nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
*/


package com.cultusoft.groovin.script.command;

import com.cultusoft.groovin.plugins.ExceptionCommandRunner;
import com.cultusoft.groovin.log.GroovinLogger

class AvailableCommands {

  public static Map defaultCommands = new HashMap()
  public static Map localCommands = new HashMap()
  public static Map globalCommands = new HashMap()
  static GroovinLogger logger = new GroovinLogger(this)
     
  public static void addLocalCommand(def projectDirectoryName, def name, def command) {
      localCommands.put(projectDirectoryName + ":" + name, command)
  }
  
  public static void addDefaultCommand(def name, def command) {
      defaultCommands.put(name, command)
  }
  
  public static void addGlobalCommand(def name, def command) {
      globalCommands.put(name, command)
  }
  
  public static Object getCommand(def name) {
    def commandName = name
    def commandCallingDirectory = null
    
    if (name.contains(":")) {  
        commandCallingDirectory = name.substring(0, name.indexOf(":"))
        commandName = name.substring(name.indexOf(":") + 1)
    }
    
    logger.debug "trying to find a match for this command $name in the local commands" 
    def command = localCommands.get(name)
    if (command != null) {
        return command
    } 
      
    logger.debug "trying to find a match for this command $commandName in the default commands" 
    command = defaultCommands.get(commandName)
    if (command != null && commandCallingDirectory != null) {
        return command
    }
      

    logger.debug "trying to find a match for this command $commandName in the global commands" 
    command = globalCommands.get(commandName)
    if (command != null) {
        return command
    }
      
    logger.debug "No command found...an exception will be raised"
    return new ExceptionCommandRunner(commandName:name)
  }

}
